A broker or dealer registered with the Securities and Exchange Commission under the Securities Exchange Act of 1934 (15 USC 78aet seq.).

A broker or dealer in securities or commodities.

An investment banker or investment company.

A currency exchange.

An issuer, redeemer, or cashier of traveler’s checks, checks, money orders, or similar instruments.

An operator of a credit card system.

An insurance company.

A dealer in precious metals, stones, or jewels.

A pawnbroker.

A loan or finance company.

A travel agency.

A licensed sender of money or any other person who engages as a business in the transmission of funds, including any person who engages as a business in an informal money transfer system or any network of people who engage as a business in facilitating the transfer of money domestically or internationally outside of the conventional financial institutions system.

A telegraph company.

A business engaged in vehicle sales, including automobile, airplane, and boat sales.

Persons involved in real estate closings and settlements.

The United States Postal Service.

An agency of the United States government or of a state or local government carrying out a duty or power of a business described in this paragraph.

A casino, gambling casino, or gaming establishment with an annual gaming revenue of more than $1,000,000 that —

Is licensed as a casino, gambling casino, or gaming establishment under the laws of any state or any political subdivision of any state; or

Is an Indian gaming operation conducted under or pursuant to the Indian Gaming Regulatory Act other than an operation that is limited to class I gaming (as defined in section 4 (6) of such act).

Any business or agency which engages in any activity which the Secretary of the Treasury determines, by regulation, to be an activity that is similar to, related to, or a substitute for any activity in which any business described in this paragraph is authorized to engage.

Any other business designated by the Secretary whose cash transactions have a high degree of usefulness in criminal, tax, or regulatory matters.